上游充通大 SHANGHAI JIAO TONG UNIVERSITY This is his strength,not a weakness. Rational and expressive. Nothing stable,permanent,endures;Everything flows Then:Everything in a process of moving from “P to Not P Take the river as an example. "We step and we do not step into the same rivers." The river is both it and is not itself.This is his strength, not a weakness. Rational and expressive. Nothing stable, permanent, endures; Everything flows Then: Everything in a process of moving from “P to Not P” Take the river as an example. “We step and we do not step into the same rivers.” The river is both it and is not itself